package exception;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class AutoCloseDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");
        try (FileOutputStream fos=new FileOutputStream("fos.dat")
        ){
         fos.write(1);
        }catch (IOException e){
            e.printStackTrace();
        }
        System.out.println("程序结束了");
        /*
        System.out.println("程序开始了");
        try (FileOutputStream fos=new FileOutputStream("fos.dat")
        ){
          fos.write(1);
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("程序结束了");

         */
    }
}
